{| class="d20 dragon monstats" cellspacing="0" cellpadding="0" |+ style="font-size: larger;" | Baculus |- ! Price: | Cost::10,000 gp |- ! Caster Level: | 8th |- ! Aura: | Moderate evocation |- ! Activation: | Spell trigger |- ! Weight: | 5 lb. |} Since using a baculus requires you to channel energy and then cast a spell through it using that energy, casting spells with a baculus requires a full-round action. Spells that already take a full-round action or longer to cast don't change in casting time. Using a baculus does not run the risk of arcane spell failure.